16436312435778 has 32 divisors (see below), whose sum is σ = 33034805048256. Its totient is φ = 5451801458688.

The previous prime is 16436312435771. The next prime is 16436312435783. The reversal of 16436312435778 is 87753421363461.

It is not an unprimeable number, because it can be changed into a prime (16436312435771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6500476 + ... + 8667687.

It is an arithmetic number, because the mean of its divisors is an integer number (1032337657758).

Almost surely, 2^{16436312435778} is an apocalyptic number.

16436312435778 is an abundant number, since it is smaller than the sum of its proper divisors (16598492612478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16436312435778 is a wasteful number, since it uses less digits than its factorization.

16436312435778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15169058.

The product of its digits is 60963840, while the sum is 60.

The spelling of 16436312435778 in words is "sixteen trillion, four hundred thirty-six billion, three hundred twelve million, four hundred thirty-five thousand, seven hundred seventy-eight".